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Posted to commits@felix.apache.org by cl...@apache.org on 2010/01/05 11:14:58 UTC
svn commit: r895971 - in /felix/trunk/ipojo:
core/src/main/java/org/apache/felix/ipojo/handlers/lifecycle/callback/
core/src/main/java/org/apache/felix/ipojo/handlers/providedservice/
tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/t...
Author: clement
Date: Tue Jan 5 10:14:25 2010
New Revision: 895971
URL: http://svn.apache.org/viewvc?rev=895971&view=rev
Log:
Fix issue FELIX-1965
When a validate callback throws an exception, the service is still published (a small amount of time). This 'door' allows a consumer to use a non initialized service.
The fix avoids that and test it.
Added:
felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/component/CallbackWithErrorCheckService.java (with props)
felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/ErrorCallbackTestCase.java (with props)
Modified:
felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/lifecycle/callback/LifecycleCallbackHandler.java
felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/providedservice/ProvidedService.java
felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/CallbackTestCase.java
felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/LifeCycleCallbackTest.java
felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/resources/metadata.xml
Modified: felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/lifecycle/callback/LifecycleCallbackHandler.java
URL: http://svn.apache.org/viewvc/felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/lifecycle/callback/LifecycleCallbackHandler.java?rev=895971&r1=895970&r2=895971&view=diff
==============================================================================
--- felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/lifecycle/callback/LifecycleCallbackHandler.java (original)
+++ felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/lifecycle/callback/LifecycleCallbackHandler.java Tue Jan 5 10:14:25 2010
@@ -168,7 +168,7 @@
throw new IllegalStateException(e.getMessage());
} catch (InvocationTargetException e) {
error("[" + getInstanceManager().getInstanceName() + "] The callback method " + m_callbacks[i].getMethod() + " has thrown an exception : " + e.getTargetException().getMessage(), e.getTargetException());
- getInstanceManager().setState(ComponentInstance.INVALID);
+ throw new IllegalStateException(e.getTargetException().getMessage());
}
}
}
Modified: felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/providedservice/ProvidedService.java
URL: http://svn.apache.org/viewvc/felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/providedservice/ProvidedService.java?rev=895971&r1=895970&r2=895971&view=diff
==============================================================================
--- felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/providedservice/ProvidedService.java (original)
+++ felix/trunk/ipojo/core/src/main/java/org/apache/felix/ipojo/handlers/providedservice/ProvidedService.java Tue Jan 5 10:14:25 2010
@@ -276,14 +276,19 @@
}
/**
- * Return a service object for the dependency.
+ * Returns a service object for the dependency.
* @see org.osgi.framework.ServiceFactory#getService(org.osgi.framework.Bundle, org.osgi.framework.ServiceRegistration)
* @param bundle : the bundle
- * @param registration : the service registration of the registred service
- * @return : a new service object or a already created service object (in the case of singleton)
+ * @param registration : the service registration of the registered service
+ * @return a new service object or a already created service object (in the case of singleton) or <code>null</code>
+ * if the instance is no more valid.
*/
public Object getService(Bundle bundle, ServiceRegistration registration) {
- return m_strategy.getService(bundle, registration);
+ if (getInstanceManager().getState() == InstanceManager.VALID) {
+ return m_strategy.getService(bundle, registration);
+ } else {
+ return null;
+ }
}
/**
Added: felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/component/CallbackWithErrorCheckService.java
URL: http://svn.apache.org/viewvc/felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/component/CallbackWithErrorCheckService.java?rev=895971&view=auto
==============================================================================
--- felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/component/CallbackWithErrorCheckService.java (added)
+++ felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/component/CallbackWithErrorCheckService.java Tue Jan 5 10:14:25 2010
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.ipojo.test.scenarios.component;
+
+import java.util.Properties;
+
+import org.apache.felix.ipojo.test.scenarios.lifecycle.callback.service.CheckService;
+
+public class CallbackWithErrorCheckService extends ParentClass implements CheckService {
+
+
+ public void start() {
+ throw new NullPointerException();
+ }
+
+ public void stop() {
+ }
+
+ public boolean check() {
+ return true;
+ }
+
+ public Properties getProps() {
+ Properties p = new Properties();
+ return p;
+ }
+
+}
Propchange: felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/component/CallbackWithErrorCheckService.java
------------------------------------------------------------------------------
svn:mime-type = text/plain
Modified: felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/CallbackTestCase.java
URL: http://svn.apache.org/viewvc/felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/CallbackTestCase.java?rev=895971&r1=895970&r2=895971&view=diff
==============================================================================
--- felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/CallbackTestCase.java (original)
+++ felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/CallbackTestCase.java Tue Jan 5 10:14:25 2010
@@ -29,87 +29,87 @@
import org.osgi.framework.ServiceReference;
public class CallbackTestCase extends OSGiTestCase {
-
- ComponentInstance instance; // Instance under test
- ComponentInstance fooProvider;
+
+ ComponentInstance instance; // Instance under test
+ ComponentInstance fooProvider;
- public void setUp() {
- Properties p2 = new Properties();
- p2.put("instance.name","fooProvider");
- fooProvider = Utils.getComponentInstance(getContext(), "LFCB-FooProviderType-1", p2);
- fooProvider.stop();
-
- Properties p1 = new Properties();
- p1.put("instance.name","callback");
- instance = Utils.getComponentInstance(getContext(), "LFCB-CallbackCheckService", p1);
-
- }
-
- public void tearDown() {
- instance.dispose();
- fooProvider.dispose();
- instance= null;
- fooProvider = null;
- }
-
- public void testCallback() {
- // Check instance is invalid
- ServiceReference arch_ref = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), instance.getInstanceName());
- assertNotNull("Check architecture availability", arch_ref);
- PrimitiveInstanceDescription id_dep = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
- assertTrue("Check instance invalidity - 1", id_dep.getState() == ComponentInstance.INVALID);
- assertEquals("Check pojo count - 1", id_dep.getCreatedObjects().length, 0);
-
- // Start fooprovider
- fooProvider.start();
-
- // Check instance validity
- //id_dep = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
- assertTrue("Check instance validity - 1", id_dep.getState() == ComponentInstance.VALID);
-
- // Check service providing
- ServiceReference cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance.getInstanceName());
- assertNotNull("Check CheckService availability", cs_ref);
- CheckService cs = (CheckService) getContext().getService(cs_ref);
- assertTrue("check CheckService invocation", cs.check());
-
- // Check int property
- Integer index = (Integer) (cs.getProps().get("int"));
- assertEquals("Check int property - 1", index.intValue(), 1);
-
- assertEquals("Check pojo count - 2", id_dep.getCreatedObjects().length, 1);
-
- fooProvider.stop();
-
- //id_dep = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
- assertTrue("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.INVALID);
-
- assertEquals("Check pojo count - 3", id_dep.getCreatedObjects().length, 1);
-
- fooProvider.start();
-
- // Check instance validity
- //id_dep = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
- assertTrue("Check instance validity - 2", id_dep.getState() == ComponentInstance.VALID);
-
- // Check service providing
- cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance.getInstanceName());
- assertNotNull("Check CheckService availability", cs_ref);
- cs = (CheckService) getContext().getService(cs_ref);
- assertTrue("check CheckService invocation", cs.check());
-
- // Check int property
- index = (Integer) (cs.getProps().get("int"));
- assertEquals("Check int property - 2 ("+index.intValue()+")", index.intValue(), 3);
-
- assertEquals("Check pojo count - 4 ", id_dep.getCreatedObjects().length, 1);
-
- // Clean up
- getContext().ungetService(arch_ref);
- getContext().ungetService(cs_ref);
- cs = null;
- id_dep = null;
- }
-
+ public void setUp() {
+ Properties p2 = new Properties();
+ p2.put("instance.name","fooProvider");
+ fooProvider = Utils.getComponentInstance(getContext(), "LFCB-FooProviderType-1", p2);
+ fooProvider.stop();
+
+ Properties p1 = new Properties();
+ p1.put("instance.name","callback");
+ instance = Utils.getComponentInstance(getContext(), "LFCB-CallbackCheckService", p1);
+
+ }
+
+ public void tearDown() {
+ instance.dispose();
+ fooProvider.dispose();
+ instance= null;
+ fooProvider = null;
+ }
+
+ public void testCallback() {
+ // Check instance is invalid
+ ServiceReference arch_ref = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), instance.getInstanceName());
+ assertNotNull("Check architecture availability", arch_ref);
+ PrimitiveInstanceDescription id_dep = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
+ assertTrue("Check instance invalidity - 1", id_dep.getState() == ComponentInstance.INVALID);
+ assertEquals("Check pojo count - 1", id_dep.getCreatedObjects().length, 0);
+
+ // Start fooprovider
+ fooProvider.start();
+
+ // Check instance validity
+ //id_dep = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
+ assertTrue("Check instance validity - 1", id_dep.getState() == ComponentInstance.VALID);
+
+ // Check service providing
+ ServiceReference cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance.getInstanceName());
+ assertNotNull("Check CheckService availability", cs_ref);
+ CheckService cs = (CheckService) getContext().getService(cs_ref);
+ assertTrue("check CheckService invocation", cs.check());
+
+ // Check int property
+ Integer index = (Integer) (cs.getProps().get("int"));
+ assertEquals("Check int property - 1", index.intValue(), 1);
+
+ assertEquals("Check pojo count - 2", id_dep.getCreatedObjects().length, 1);
+
+ fooProvider.stop();
+
+ //id_dep = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
+ assertTrue("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.INVALID);
+
+ assertEquals("Check pojo count - 3", id_dep.getCreatedObjects().length, 1);
+
+ fooProvider.start();
+
+ // Check instance validity
+ //id_dep = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
+ assertTrue("Check instance validity - 2", id_dep.getState() == ComponentInstance.VALID);
+
+ // Check service providing
+ cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance.getInstanceName());
+ assertNotNull("Check CheckService availability", cs_ref);
+ cs = (CheckService) getContext().getService(cs_ref);
+ assertTrue("check CheckService invocation", cs.check());
+
+ // Check int property
+ index = (Integer) (cs.getProps().get("int"));
+ assertEquals("Check int property - 2 ("+index.intValue()+")", index.intValue(), 3);
+
+ assertEquals("Check pojo count - 4 ", id_dep.getCreatedObjects().length, 1);
+
+ // Clean up
+ getContext().ungetService(arch_ref);
+ getContext().ungetService(cs_ref);
+ cs = null;
+ id_dep = null;
+ }
+
}
Added: felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/ErrorCallbackTestCase.java
URL: http://svn.apache.org/viewvc/felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/ErrorCallbackTestCase.java?rev=895971&view=auto
==============================================================================
--- felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/ErrorCallbackTestCase.java (added)
+++ felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/ErrorCallbackTestCase.java Tue Jan 5 10:14:25 2010
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.ipojo.test.scenarios.lifecycle.callback;
+
+import java.util.Properties;
+
+import org.apache.felix.ipojo.ComponentInstance;
+import org.apache.felix.ipojo.junit4osgi.OSGiTestCase;
+import org.apache.felix.ipojo.test.scenarios.lifecycle.callback.service.CheckService;
+import org.apache.felix.ipojo.test.scenarios.util.Utils;
+import org.osgi.framework.ServiceReference;
+
+/**
+ * Test the fix for FELIX-1965.
+ * When a validate callback throws an exception, the service is still provided.
+ */
+public class ErrorCallbackTestCase extends OSGiTestCase {
+
+ ComponentInstance instance; // Instance under test
+
+ public void tearDown() {
+ if (instance != null) {
+ instance.dispose();
+ instance= null;
+ }
+ }
+
+ public void testErrorInValidateCallback() {
+ Properties p2 = new Properties();
+ p2.put("instance.name","error");
+ instance = Utils.getComponentInstance(getContext(), "LFCB-CallbackWithError", p2);
+
+ // The service should not be provided as the start method has thrown an exception
+ ServiceReference ref = getServiceReference(CheckService.class.getName(), "(instance.name=" + instance.getInstanceName() +")");
+ assertNull(ref);
+
+ }
+
+
+}
Propchange: felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/ErrorCallbackTestCase.java
------------------------------------------------------------------------------
svn:mime-type = text/plain
Modified: felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/LifeCycleCallbackTest.java
URL: http://svn.apache.org/viewvc/felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/LifeCycleCallbackTest.java?rev=895971&r1=895970&r2=895971&view=diff
==============================================================================
--- felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/LifeCycleCallbackTest.java (original)
+++ felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/java/org/apache/felix/ipojo/test/scenarios/lifecycle/callback/LifeCycleCallbackTest.java Tue Jan 5 10:14:25 2010
@@ -25,17 +25,18 @@
import org.osgi.framework.BundleContext;
public class LifeCycleCallbackTest extends TestSuite {
-
+
- public static Test suite(BundleContext bc) {
- OSGiTestSuite ots = new OSGiTestSuite("Lifecycle callbacks Test Suite", bc);
- ots.addTestSuite(CallbackTestCase.class);
- ots.addTestSuite(ParentCallbackTestCase.class);
+ public static Test suite(BundleContext bc) {
+ OSGiTestSuite ots = new OSGiTestSuite("Lifecycle callbacks Test Suite", bc);
+ ots.addTestSuite(CallbackTestCase.class);
+ ots.addTestSuite(ParentCallbackTestCase.class);
ots.addTestSuite(ImmediateCallbackTest.class);
ots.addTestSuite(ImmediateCallbackSingletonFactoryTest.class);
ots.addTestSuite(ImmediateCallbackSeveralFactoryTest.class);
- return ots;
- }
+ ots.addTestSuite(ErrorCallbackTestCase.class);
+ return ots;
+ }
}
Modified: felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/resources/metadata.xml
URL: http://svn.apache.org/viewvc/felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/resources/metadata.xml?rev=895971&r1=895970&r2=895971&view=diff
==============================================================================
--- felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/resources/metadata.xml (original)
+++ felix/trunk/ipojo/tests/core/lifecycle-callback/src/main/resources/metadata.xml Tue Jan 5 10:14:25 2010
@@ -3,54 +3,63 @@
xsi:schemaLocation="org.apache.felix.ipojo http://felix.apache.org/ipojo/schemas/SNAPSHOT/core.xsd"
xmlns="org.apache.felix.ipojo"
>
- <component
- classname="org.apache.felix.ipojo.test.scenarios.component.FooProviderType1"
- name="LFCB-FooProviderType-1" architecture="true">
- <provides />
- </component>
-
- <!-- Lifecycle Callback -->
- <component
- classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
- name="LFCB-CallbackCheckService" architecture="true">
- <requires field="fs" />
- <provides />
- <callback transition="validate" method="start" />
- <callback transition="invalidate" method="stop" />
- </component>
- <component
- classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
- name="LFCB-ParentCallbackCheckService" architecture="true">
- <requires field="fs" />
- <provides />
- <callback transition="validate" method="parentStart" />
- <callback transition="invalidate" method="parentStop" />
- </component>
- <component
- classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
- immediate="true" name="LFCB-ImmediateCallbackCheckService"
- architecture="true">
- <requires field="fs" />
- <provides />
- <callback transition="validate" method="start" />
- <callback transition="invalidate" method="stop" />
- </component>
- <component
- classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
- immediate="true" name="LFCB-ImmediateCallbackCheckServiceSingleton"
- factory-method="singleton" architecture="true">
- <requires field="fs" />
- <provides />
- <callback transition="validate" method="start" />
- <callback transition="invalidate" method="stop" />
- </component>
- <component
- classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
- immediate="true" name="LFCB-ImmediateCallbackCheckServiceSeveral"
- factory-method="several" architecture="true">
- <requires field="fs" />
- <provides />
- <callback transition="validate" method="start" />
- <callback transition="invalidate" method="stop" />
- </component>
+ <component
+ classname="org.apache.felix.ipojo.test.scenarios.component.FooProviderType1"
+ name="LFCB-FooProviderType-1" architecture="true">
+ <provides />
+ </component>
+
+ <!-- Lifecycle Callback -->
+ <component
+ classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
+ name="LFCB-CallbackCheckService" architecture="true">
+ <requires field="fs" />
+ <provides />
+ <callback transition="validate" method="start" />
+ <callback transition="invalidate" method="stop" />
+ </component>
+ <component
+ classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
+ name="LFCB-ParentCallbackCheckService" architecture="true">
+ <requires field="fs" />
+ <provides />
+ <callback transition="validate" method="parentStart" />
+ <callback transition="invalidate" method="parentStop" />
+ </component>
+ <component
+ classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
+ immediate="true" name="LFCB-ImmediateCallbackCheckService"
+ architecture="true">
+ <requires field="fs" />
+ <provides />
+ <callback transition="validate" method="start" />
+ <callback transition="invalidate" method="stop" />
+ </component>
+ <component
+ classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
+ immediate="true" name="LFCB-ImmediateCallbackCheckServiceSingleton"
+ factory-method="singleton" architecture="true">
+ <requires field="fs" />
+ <provides />
+ <callback transition="validate" method="start" />
+ <callback transition="invalidate" method="stop" />
+ </component>
+ <component
+ classname="org.apache.felix.ipojo.test.scenarios.component.CallbackCheckService"
+ immediate="true" name="LFCB-ImmediateCallbackCheckServiceSeveral"
+ factory-method="several" architecture="true">
+ <requires field="fs" />
+ <provides />
+ <callback transition="validate" method="start" />
+ <callback transition="invalidate" method="stop" />
+ </component>
+
+ <!-- Test initialization error -->
+ <component
+ classname="org.apache.felix.ipojo.test.scenarios.component.CallbackWithErrorCheckService"
+ name="LFCB-CallbackWithError">
+ <provides />
+ <callback transition="validate" method="start" />
+ <callback transition="invalidate" method="stop" />
+ </component>
</ipojo>